本文整理汇总了C#中System.Windows.Forms.RadioButton.CreateGraphics方法的典型用法代码示例。如果您正苦于以下问题：C# RadioButton.CreateGraphics方法的具体用法？C# RadioButton.CreateGraphics怎么用？C# RadioButton.CreateGraphics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.Windows.Forms.RadioButton的用法示例。
在下文中一共展示了RadioButton.CreateGraphics方法的1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: CreateRadioPanel
/// <summary>
/// Returns a default radiopanel.
/// This panel will try to fit into the second column,
/// if not it will take a new line and spread over the whole width.
/// </summary>
/// <param name="position">Position of the Panel.</param>
/// <param name="tag">Tag for the panel, containing data about the RadioButtons.</param>
/// <returns></returns>
private Panel CreateRadioPanel(Position position, SingleSelectionList tag)
{
Panel panel = new Panel();
panel.AutoSize = false;
panel.Tag = tag;
panel.TabIndex = position.NextTabIndex;
panel.Name = "radioPanel" + position.TabIndex.ToString();
bool takeNewLine = false; // needed to know the columnwidth when calculating the expected height
List<RadioButton> items = new List<RadioButton>(tag.Items.Count);
for (int i = 0; i < tag.Items.Count; i++)
{
RadioButton btn = new RadioButton();
btn.AutoSize = false;
btn.TabIndex = position.NextTabIndex;
btn.Name = "radioButton" + position.TabIndex.ToString();
btn.Text = tag.Items[i].Evaluate();
btn.CheckAlign = ContentAlignment.TopLeft;
btn.Checked = (i == tag.Selected);
btn.CheckedChanged += _singleSelectionListChange;
btn.Tag = i;
SetHelp(btn, tag.Help.Evaluate());
items.Add(btn);
// see if we should take a new line (add 30 for the radiobutton and to cover too small measurements)
btn.Width = (int)(btn.CreateGraphics().MeasureString(btn.Text, btn.Font).Width + 30);
if (btn.Width > position.WidthColumnTwo)
takeNewLine = true;
}
// we can't calculate the height before, because we don't know the available width (depends on takeNewLine)
// => second loop is needed
Position nPos = (Position)position.Clone();
nPos.LinePosition = 0;
int width; // values depend on the new line, we can't use Position
if (takeNewLine)
{
width = position.Width - position.Margin;
}
else
{
width = position.WidthColumnTwo;
}
foreach (RadioButton btn in items)
{
btn.Location = new Point(0, nPos.LinePosition);
if (btn.Width > width) // doesn't fit in the column, we'll have to calculate the height to avoid overlapping controls
{
btn.MaximumSize = new Size(width, (int)((double)btn.Width / width * btn.Height + position.LineHeight - btn.Height));
btn.MinimumSize = btn.MaximumSize;
btn.AutoSize = true;
nPos.LinePosition += btn.MaximumSize.Height;
}
else
nPos.LinePosition += nPos.LineHeight;
panel.Controls.Add(btn);
}
panel.Size = new Size(width, nPos.LinePosition);
// Locate and return the panel
if (!takeNewLine)
panel.Location = new Point(position.StartColumnTwo, position.LinePosition);
else
{
position.LinePosition += position.ItemHeight;
panel.Location = new Point(position.StartColumnOne + position.Margin, position.LinePosition);
}
return panel;
}