AddonHelper.FormEditor.Stage_MouseDown C# (CSharp) Метод

        private void Stage_MouseDown(object sender, MouseEventArgs e)
        {
            this.timerSet.Enabled = true;

            if (buttonCover.Checked || buttonCrop.Checked) {
                this.previewStart = new Point(e.X, e.Y);
                this.previewRect = new Rectangle(this.previewStart, new Size(1, 1));

                this.boxPreview.Location = this.previewStart;
                this.boxPreview.Size = Size.Empty;
                this.boxPreview.Visible = true;
            }

            if (buttonDraw.Checked) {
                this.drawLines.Clear();
                this.drawLines.Add(new Point(e.X, e.Y));
                this.prevLine = this.drawLines[0];
            }
        }