| Ellipse |
| VB声明 | |
| Declare Function Ellipse Lib "gdi32" Alias "Ellipse" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long | |
| 说明 | |
| 描绘一个椭圆，由指定的矩形围绕。椭圆用当前选择的画笔描绘，并用当前选择的刷子填充 | |
| 返回值 | |
| Long，非零表示成功，零表示失败。会设置GetLastError | |
| 参数表 | |
| 参数 | 类型及说明 |
| hdc | Long，设备场景的句柄 |
| X1，Y1 | Long，约束矩形采用逻辑坐标的左上角位置 |
| X2，Y2 | Long，约束矩形采用逻辑坐标的右下角位置 |
