ImageList.ImageCollection.Add 方法
定義
重要
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將指定的物件加入 ImageList 中。
多載
Add(Icon) |
將指定的圖示加入 ImageList。 |
Add(Image) |
將指定的影像加入 ImageList。 |
Add(Image, Color) |
將指定的影像加入 ImageList,並使用指定的色彩來產生遮罩。 |
Add(String, Icon) |
將具有指定索引鍵的圖示加入至集合的結尾。 |
Add(String, Image) |
將具有指定索引鍵的影像加入至集合的結尾。 |
Add(Icon)
將指定的圖示加入 ImageList。
public:
void Add(System::Drawing::Icon ^ value);
public void Add (System.Drawing.Icon value);
member this.Add : System.Drawing.Icon -> unit
Public Sub Add (value As Icon)
參數
例外狀況
範例
下列程式碼範例示範建構 ImageList 、將影像新增至 Images 屬性、設定 ImageSize 屬性,以及使用 Draw 方法。 若要執行此範例,請將它放在包含名為 Button1
之按鈕的表單中。 此範例假設 c:\Windows有FeatherTexture.bmp和消失Fishing.bmp \ 。 如果點陣圖不存在於您的系統上,或存在於另一個位置,請據以變更範例。
internal:
System::Windows::Forms::ImageList^ ImageList1;
private:
// Create an ImageList Object, populate it, and display
// the images it contains.
void Button1_Click( System::Object^ /*sender*/, System::EventArgs^ /*e*/ )
{
// Construct the ImageList.
ImageList1 = gcnew ImageList;
// Set the ImageSize property to a larger size
// (the default is 16 x 16).
ImageList1->ImageSize = System::Drawing::Size( 112, 112 );
// Add two images to the list.
ImageList1->Images->Add( Image::FromFile( "c:\\windows\\FeatherTexture.bmp" ) );
ImageList1->Images->Add( Image::FromFile( "C:\\windows\\Gone Fishing.bmp" ) );
// Get a Graphics object from the form's handle.
Graphics^ theGraphics = Graphics::FromHwnd( this->Handle );
// Loop through the images in the list, drawing each image.
for ( int count = 0; count < ImageList1->Images->Count; count++ )
{
ImageList1->Draw( theGraphics, Point(85,85), count );
// Call Application.DoEvents to force a repaint of the form.
Application::DoEvents();
// Call the Sleep method to allow the user to see the image.
System::Threading::Thread::Sleep( 1000 );
}
}
internal System.Windows.Forms.ImageList ImageList1;
// Create an ImageList Object, populate it, and display
// the images it contains.
private void Button1_Click(System.Object sender,
System.EventArgs e)
{
// Construct the ImageList.
ImageList1 = new ImageList();
// Set the ImageSize property to a larger size
// (the default is 16 x 16).
ImageList1.ImageSize = new Size(112, 112);
// Add two images to the list.
ImageList1.Images.Add(
Image.FromFile("c:\\windows\\FeatherTexture.bmp"));
ImageList1.Images.Add(
Image.FromFile("C:\\windows\\Gone Fishing.bmp"));
// Get a Graphics object from the form's handle.
Graphics theGraphics = Graphics.FromHwnd(this.Handle);
// Loop through the images in the list, drawing each image.
for(int count = 0; count < ImageList1.Images.Count; count++)
{
ImageList1.Draw(theGraphics, new Point(85, 85), count);
// Call Application.DoEvents to force a repaint of the form.
Application.DoEvents();
// Call the Sleep method to allow the user to see the image.
System.Threading.Thread.Sleep(1000);
}
}
Friend WithEvents ImageList1 As System.Windows.Forms.ImageList
' Create an ImageList Object, populate it, and display
' the images it contains.
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
' Construct the ImageList.
ImageList1 = New ImageList
' Set the ImageSize property to a larger size
' (the default is 16 x 16).
ImageList1.ImageSize = New Size(112, 112)
' Add two images to the list.
ImageList1.Images.Add(Image.FromFile _
("c:\windows\FeatherTexture.bmp"))
ImageList1.Images.Add _
(Image.FromFile("C:\windows\Gone Fishing.bmp"))
Dim count As System.Int32
' Get a Graphics object from the form's handle.
Dim theGraphics As Graphics = Graphics.FromHwnd(Me.Handle)
' Loop through the images in the list, drawing each image.
For count = 0 To ImageList1.Images.Count - 1
ImageList1.Draw(theGraphics, New Point(85, 85), count)
' Call Application.DoEvents to force a repaint of the form.
Application.DoEvents()
' Call the Sleep method to allow the user to see the image.
System.Threading.Thread.Sleep(1000)
Next
End Sub
備註
適用於
Add(Image)
Add(Image, Color)
將指定的影像加入 ImageList,並使用指定的色彩來產生遮罩。
public:
int Add(System::Drawing::Image ^ value, System::Drawing::Color transparentColor);
public int Add (System.Drawing.Image value, System.Drawing.Color transparentColor);
member this.Add : System.Drawing.Image * System.Drawing.Color -> int
Public Function Add (value As Image, transparentColor As Color) As Integer
參數
傳回
新加入影像的索引,如果無法加入影像,則為 -1。
例外狀況
要加入的影像是 null
。
要加入的影像不是 Bitmap。
適用於
Add(String, Icon)
將具有指定索引鍵的圖示加入至集合的結尾。
public:
void Add(System::String ^ key, System::Drawing::Icon ^ icon);
public void Add (string key, System.Drawing.Icon icon);
member this.Add : string * System.Drawing.Icon -> unit
Public Sub Add (key As String, icon As Icon)
參數
- key
- String
圖示的名稱。
例外狀況
icon
為 null
。
備註
影像的名稱會對應至 中的 ImageList.ImageCollection 索引鍵。 影像索引鍵不區分大小寫。
適用於
Add(String, Image)
將具有指定索引鍵的影像加入至集合的結尾。
public:
void Add(System::String ^ key, System::Drawing::Image ^ image);
public void Add (string key, System.Drawing.Image image);
member this.Add : string * System.Drawing.Image -> unit
Public Sub Add (key As String, image As Image)
參數
- key
- String
影像的名稱。
例外狀況
image
為 null
。
備註
影像的名稱會對應至 中的 ImageList.ImageCollection 索引鍵。 影像索引鍵不區分大小寫。