private static Cursor InternalCreateCursor(Bitmap bitmap, int xHotSpot, int yHotSpot)
{
NativeMethods.IconInfo icon = default(NativeMethods.IconInfo);
NativeMethods.GetIconInfo(bitmap.GetHicon(), ref icon);
icon.xHotspot = xHotSpot;
icon.yHotspot = yHotSpot;
icon.fIcon = false;
SafeIconHandle cursorHandle = NativeMethods.CreateIconIndirect(ref icon);
return(CursorInteropHelper.Create(cursorHandle));
}
public static Cursor CursorFromBitmap(Bitmap bitmap, Point hotSpot)
{
IntPtr hicon = bitmap.GetHicon();
NativeMethods.IconInfo iconInfo = new NativeMethods.IconInfo();
NativeMethods.GetIconInfo(hicon, ref iconInfo);
iconInfo.xHotspot = hotSpot.X;
iconInfo.yHotspot = hotSpot.Y;
iconInfo.fIcon = false;
return(new Cursor(NativeMethods.CreateIconIndirect(ref iconInfo)));
}
private static Cursor InternalCreateCursor(System.Drawing.Bitmap bmp, int xHotSpot, int yHotSpot)
{
var iconInfo = new NativeMethods.IconInfo();
NativeMethods.GetIconInfo(bmp.GetHicon(), ref iconInfo);
iconInfo.xHotspot = xHotSpot;
iconInfo.yHotspot = yHotSpot;
iconInfo.fIcon = false;
SafeIconHandle cursorHandle = NativeMethods.CreateIconIndirect(ref iconInfo);
return CursorInteropHelper.Create(cursorHandle);
}
private static Cursor InternalCreateCursor(System.Drawing.Bitmap bmp)
{
var iconInfo = new NativeMethods.IconInfo();
NativeMethods.GetIconInfo(bmp.GetHicon(), ref iconInfo);
iconInfo.xHotspot = 0;
iconInfo.yHotspot = 0;
iconInfo.fIcon = false;
SafeIconHandle cursorHandle = NativeMethods.CreateIconIndirect(ref iconInfo);
return(CursorInteropHelper.Create(cursorHandle));
}
//保护：
/// <summary>
/// 创建鼠标（本方法不允许public，避免内存泄漏）
/// </summary>
/// <param name="bitmap"></param>
/// <param name="xHotSpot"></param>
/// <param name="yHotSpot"></param>
/// <returns></returns>
protected static Cursor InternalCreateCursor(Bitmap bitmap, uint xHotSpot, uint yHotSpot)
{
var iconInfo = new NativeMethods.IconInfo();
NativeMethods.GetIconInfo(bitmap.GetHicon(), ref iconInfo);
iconInfo.xHotspot = xHotSpot; //焦点x轴坐标
iconInfo.yHotspot = yHotSpot; //焦点y轴坐标
iconInfo.fIcon = false; //设置鼠标
SafeIconHandle cursorHandle = NativeMethods.CreateIconIndirect(ref iconInfo);
return(CursorInteropHelper.Create(cursorHandle));
}
static Cursor InternalCreateCursor(Bitmap bitmap, int xHotSpot, int yHotSpot)
{
var iconInfo = new NativeMethods.IconInfo
{
xHotspot = xHotSpot,
yHotspot = yHotSpot,
fIcon = false
};
NativeMethods.GetIconInfo(bitmap.GetHicon(), ref iconInfo);
var cursorHandle = NativeMethods.CreateIconIndirect(ref iconInfo);
return(CursorInteropHelper.Create(cursorHandle));
}
private static Cursor InternalCreateCursor(System.Drawing.Bitmap bmp, int xHotspot = 0, int yHotspot = 0)
{
var iconInfo = new NativeMethods.IconInfo();
var handler = bmp.GetHicon();
NativeMethods.GetIconInfo(handler, ref iconInfo);
NativeMethods.DestroyIcon(handler);
iconInfo.xHotspot = xHotspot;
iconInfo.yHotspot = yHotspot;
iconInfo.fIcon = false;
var cursorHandle = NativeMethods.CreateIconIndirect(ref iconInfo);
return(CursorInteropHelper.Create(cursorHandle));
}
public static Cursor CreateCursor(Bitmap bmp, int xHotSpot, int yHotSpot)
{
// create icon info struct
NativeMethods.IconInfo tmp = new NativeMethods.IconInfo();
IntPtr ptr = bmp.GetHicon();
// call native method to populate icon info struct with icon information from bitmap image
NativeMethods.GetIconInfo(ptr, ref tmp);
// set hot spot on cursor
tmp.xHotspot = xHotSpot;
tmp.yHotspot = yHotSpot;
// marks image as a cursor rather than an icon
tmp.fIcon = false;
// native method to return pointer to the new cursor icon
ptr = NativeMethods.CreateIconIndirect(ref tmp);
return(new Cursor(ptr));
}
