ScrollBarRenderer.DrawRightHorizontalTrack 메서드
정의
중요
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비주얼 스타일을 사용하여 가로 스크롤 막대 트랙을 그립니다.
public:
static void DrawRightHorizontalTrack(System::Drawing::Graphics ^ g, System::Drawing::Rectangle bounds, System::Windows::Forms::VisualStyles::ScrollBarState state);
public static void DrawRightHorizontalTrack (System.Drawing.Graphics g, System.Drawing.Rectangle bounds, System.Windows.Forms.VisualStyles.ScrollBarState state);
static member DrawRightHorizontalTrack : System.Drawing.Graphics * System.Drawing.Rectangle * System.Windows.Forms.VisualStyles.ScrollBarState -> unit
Public Shared Sub DrawRightHorizontalTrack (g As Graphics, bounds As Rectangle, state As ScrollBarState)
매개 변수
- state
- ScrollBarState
스크롤 막대 트랙의 표시 상태를 지정하는 ScrollBarState 값 중 하나입니다.
예외
운영 체제에서 비주얼 스타일을 지원하지 않는 경우
또는
운영 체제에서 사용자가 비주얼 스타일을 사용하지 않도록 설정한 경우
또는
비주얼 스타일이 애플리케이션 창의 클라이언트 영역에 적용되지 않은 경우
예제
다음 코드 예제에서는 합니다 DrawRightHorizontalTrack 메서드는 사용자 지정 컨트롤의 OnPaint 스크롤 막대 트랙을 그리는 방법입니다. 이 코드 예제는에 대해 제공 된 큰 예제의 일부는 ScrollBarRenderer 클래스입니다.
// Draw the scroll bar in its normal state.
protected:
virtual void OnPaint(PaintEventArgs^ e) override
{
__super::OnPaint(e);
// Visual styles are not enabled.
if (!ScrollBarRenderer::IsSupported)
{
this->Parent->Text = "CustomScrollBar Disabled";
return;
}
this->Parent->Text = "CustomScrollBar Enabled";
// Draw the scroll bar track.
ScrollBarRenderer::DrawRightHorizontalTrack(e->Graphics,
ClientRectangle, ScrollBarState::Normal);
// Draw the thumb and thumb grip in the current state.
ScrollBarRenderer::DrawHorizontalThumb(e->Graphics,
thumbRectangle, thumbState);
ScrollBarRenderer::DrawHorizontalThumbGrip(e->Graphics,
thumbRectangle, thumbState);
// Draw the scroll arrows in the current state.
ScrollBarRenderer::DrawArrowButton(e->Graphics,
leftArrowRectangle, leftButtonState);
ScrollBarRenderer::DrawArrowButton(e->Graphics,
rightArrowRectangle, rightButtonState);
// Draw a highlighted rectangle in the left side of the scroll
// bar track if the user has clicked between the left arrow
// and thumb.
if (leftBarClicked)
{
clickedBarRectangle.X = thumbLeftLimit;
clickedBarRectangle.Width = thumbRectangle.X - thumbLeftLimit;
ScrollBarRenderer::DrawLeftHorizontalTrack(e->Graphics,
clickedBarRectangle, ScrollBarState::Pressed);
}
// Draw a highlighted rectangle in the right side of the scroll
// bar track if the user has clicked between the right arrow
// and thumb.
else if (rightBarClicked)
{
clickedBarRectangle.X =
thumbRectangle.X + thumbRectangle.Width;
clickedBarRectangle.Width =
thumbRightLimitRight - clickedBarRectangle.X;
ScrollBarRenderer::DrawRightHorizontalTrack(e->Graphics,
clickedBarRectangle, ScrollBarState::Pressed);
}
}
// Draw the scroll bar in its normal state.
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
// Visual styles are not enabled.
if (!ScrollBarRenderer.IsSupported)
{
this.Parent.Text = "CustomScrollBar Disabled";
return;
}
this.Parent.Text = "CustomScrollBar Enabled";
// Draw the scroll bar track.
ScrollBarRenderer.DrawRightHorizontalTrack(e.Graphics,
ClientRectangle, ScrollBarState.Normal);
// Draw the thumb and thumb grip in the current state.
ScrollBarRenderer.DrawHorizontalThumb(e.Graphics,
thumbRectangle, thumbState);
ScrollBarRenderer.DrawHorizontalThumbGrip(e.Graphics,
thumbRectangle, thumbState);
// Draw the scroll arrows in the current state.
ScrollBarRenderer.DrawArrowButton(e.Graphics,
leftArrowRectangle, leftButtonState);
ScrollBarRenderer.DrawArrowButton(e.Graphics,
rightArrowRectangle, rightButtonState);
// Draw a highlighted rectangle in the left side of the scroll
// bar track if the user has clicked between the left arrow
// and thumb.
if (leftBarClicked)
{
clickedBarRectangle.X = thumbLeftLimit;
clickedBarRectangle.Width = thumbRectangle.X - thumbLeftLimit;
ScrollBarRenderer.DrawLeftHorizontalTrack(e.Graphics,
clickedBarRectangle, ScrollBarState.Pressed);
}
// Draw a highlighted rectangle in the right side of the scroll
// bar track if the user has clicked between the right arrow
// and thumb.
else if (rightBarClicked)
{
clickedBarRectangle.X =
thumbRectangle.X + thumbRectangle.Width;
clickedBarRectangle.Width =
thumbRightLimitRight - clickedBarRectangle.X;
ScrollBarRenderer.DrawRightHorizontalTrack(e.Graphics,
clickedBarRectangle, ScrollBarState.Pressed);
}
}
' Draw the scroll bar in its normal state.
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
MyBase.OnPaint(e)
' Visual styles are not enabled.
If Not ScrollBarRenderer.IsSupported Then
Me.Parent.Text = "CustomScrollBar Disabled"
Return
End If
Me.Parent.Text = "CustomScrollBar Enabled"
' Draw the scroll bar track.
ScrollBarRenderer.DrawRightHorizontalTrack(e.Graphics, _
Me.ClientRectangle, ScrollBarState.Normal)
' Draw the thumb and thumb grip in the current state.
ScrollBarRenderer.DrawHorizontalThumb(e.Graphics, _
thumbRectangle, thumbState)
ScrollBarRenderer.DrawHorizontalThumbGrip(e.Graphics, _
thumbRectangle, thumbState)
' Draw the scroll arrows in the current state.
ScrollBarRenderer.DrawArrowButton(e.Graphics, _
leftArrowRectangle, leftButtonState)
ScrollBarRenderer.DrawArrowButton(e.Graphics, _
rightArrowRectangle, rightButtonState)
' Draw a highlighted rectangle in the left side of the scroll
' bar track if the user has clicked between the left arrow
' and thumb.
If leftBarClicked Then
clickedBarRectangle.X = thumbLeftLimit
clickedBarRectangle.Width = thumbRectangle.X - thumbLeftLimit
ScrollBarRenderer.DrawLeftHorizontalTrack(e.Graphics, _
clickedBarRectangle, ScrollBarState.Pressed)
' Draw a highlighted rectangle in the right side of the scroll
' bar track if the user has clicked between the right arrow
' and thumb.
ElseIf rightBarClicked Then
clickedBarRectangle.X = thumbRectangle.X + _
thumbRectangle.Width
clickedBarRectangle.Width = thumbRightLimitRight - _
clickedBarRectangle.X
ScrollBarRenderer.DrawRightHorizontalTrack(e.Graphics, _
clickedBarRectangle, ScrollBarState.Pressed)
End If
End Sub
설명
이 메서드를 사용 하기 전에 있는지 확인 해야 합니다 IsSupported 속성이 반환 true
합니다.