Stephens' C# Programming with Visual Studio® 2010 24-Hour Trainer

94



LESSON 8 Using standard dialogs

For example, the ColorDialog has an

AllowFullOpen property that determines whether

the user can click the dialog’s Define Custom Colors

button to show an area where the user can create

new colors. Figure 8-2 shows a

ColorDialog dis-

playing this area.

You can learn more about these extra proper-

ties by reading the online help. For example,

Microsoft’s help page for the

ColorDialog is

msdn.microsoft.com/en-us/library/system

.windows.forms.colordialog.aspx

. You can

replace colordialog in this URL with the name

of another dialog to find its web page.

Table 8-2 summarizes the

ColorDialog’s most useful properties.

TABLE 82

PROPERTY PURPOSE

AllowFullOpen

Determines whether the user can create custom colors.

Color

The selected color.

FullOpen

Determines whether the custom color area is open when the dialog appears.

Table 8-3 summarizes the FolderBrowserDialog’s most useful properties.

TABLE 83

PROPERTY PURPOSE

RootFolder

The root folder where the dialog starts browsing. This can take values such

as

Desktop, Favorites, History, and MyComputer. The Properties

window lets you pick from those values.

SelectedPath

The selected folder.

Table 8-4 summarizes the FontDialog’s most useful properties.

TABLE 84

PROPERTY PURPOSE

FixedPitchOnly

Determines if the dialog allows the user to select only fixed-width fonts. This is

useful, for example, if you are going to use the font to build ...