本文整理汇总了C#中System.Drawing.Image.GetThumbnailImage方法的典型用法代码示例。如果您正苦于以下问题：C# Image.GetThumbnailImage方法的具体用法？C# Image.GetThumbnailImage怎么用？C# Image.GetThumbnailImage使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Drawing.Image的用法示例。
在下文中一共展示了Image.GetThumbnailImage方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ThumbnailCallback
public bool ThumbnailCallback()
{
return false;
}
public void Example_GetThumb(PaintEventArgs e)
{
Image.GetThumbnailImageAbort myCallback =
new Image.GetThumbnailImageAbort(ThumbnailCallback);
Bitmap myBitmap = new Bitmap("Climber.jpg");
Image myThumbnail = myBitmap.GetThumbnailImage(
40, 40, myCallback, IntPtr.Zero);
e.Graphics.DrawImage(myThumbnail, 150, 75);
}示例2: Main
//引入命名空间
using System;
using System.Drawing;
using System.Windows.Forms;
class Thumbnail: Form
{
const int iSquare = 64;
Image imageThumbnail;
public static void Main()
{
Application.Run(new Thumbnail());
}
public Thumbnail()
{
Text = "Thumbnail";
ResizeRedraw = true;
Image image = Image.FromFile("Color.jpg");
int cxThumbnail, cyThumbnail;
if (image.Width > image.Height)
{
cxThumbnail = iSquare;
cyThumbnail = iSquare * image.Height / image.Width;
}
else
{
cyThumbnail = iSquare;
cxThumbnail = iSquare * image.Width / image.Height;
}
imageThumbnail = image.GetThumbnailImage(cxThumbnail, cyThumbnail,
null, (IntPtr) 0);
}
protected override void OnPaint(PaintEventArgs pea)
{
DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
{
for (int y = 0; y < cy; y += iSquare){
for (int x = 0; x < cx; x += iSquare)
grfx.DrawImage(imageThumbnail,
x + (iSquare - imageThumbnail.Width) / 2,
y + (iSquare - imageThumbnail.Height) / 2,
imageThumbnail.Width, imageThumbnail.Height);
}
}
}