BitmapImage.CreateOptions 屬性

定義

取得或設定 BitmapCreateOptionsBitmapImageGets or sets the BitmapCreateOptions for a BitmapImage.

public:
 property System::Windows::Media::Imaging::BitmapCreateOptions CreateOptions { System::Windows::Media::Imaging::BitmapCreateOptions get(); void set(System::Windows::Media::Imaging::BitmapCreateOptions value); };
public System.Windows.Media.Imaging.BitmapCreateOptions CreateOptions { get; set; }
member this.CreateOptions : System.Windows.Media.Imaging.BitmapCreateOptions with get, set
Public Property CreateOptions As BitmapCreateOptions

屬性值

用於這個 BitmapCreateOptionsBitmapImageThe BitmapCreateOptions used for this BitmapImage. 預設為 NoneThe default is None.

範例

下列BitmapImage程式碼範例示範如何使用程式碼CreateOptions來設定的。The following code example demonstrates how to set the CreateOptions of a BitmapImage by using code.

// Define a BitmapImage.
Image myImage = new Image();
BitmapImage bi = new BitmapImage();

// Begin initialization.
bi.BeginInit();

// Set properties.
bi.CacheOption = BitmapCacheOption.OnDemand;
bi.CreateOptions = BitmapCreateOptions.DelayCreation;
bi.DecodePixelHeight = 125;
bi.DecodePixelWidth = 125;
bi.Rotation = Rotation.Rotate90;
MessageBox.Show(bi.IsDownloading.ToString());
bi.UriSource = new Uri("smiley.png", UriKind.Relative);

// End initialization.
bi.EndInit();
myImage.Source = bi;
myImage.Stretch = Stretch.None;
myImage.Margin = new Thickness(5);
' Define a BitmapImage.
Dim myImage As New Image()
Dim bi As New BitmapImage()

' Begin initialization.
bi.BeginInit()

' Set properties.
bi.CacheOption = BitmapCacheOption.OnDemand
bi.CreateOptions = BitmapCreateOptions.DelayCreation
bi.DecodePixelHeight = 125
bi.DecodePixelWidth = 125
bi.Rotation = Rotation.Rotate90
MessageBox.Show(bi.IsDownloading.ToString())
bi.UriSource = New Uri("smiley.png", UriKind.Relative)

' End initialization.
bi.EndInit()
myImage.Source = bi
myImage.Stretch = Stretch.None
myImage.Margin = New Thickness(5)

備註

相依性屬性資訊Dependency Property Information

識別碼欄位Identifier field CreateOptionsProperty
中繼資料屬性設定為trueMetadata properties set to true None

適用於

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