public void DrawLineROI(double row1 = 100, double col1 = 100, double row2 = 100, double col2 = 200) { if (bDrawing) { MessageHelper.ShowWarning("显示界面正在进行ROI操作!"); return; } if (Image == null) { return; } if (line == null) { line = new DrawLine(Window, Image, row1, col1, row2, col2); } else { line.Row1 = row1; line.Col1 = col1; line.Row2 = row2; line.Col2 = col2; } bDrawing = true; DrawingShape = ROIShape.Line; BindingLineROIEvent(); line.CreateROI(); }