实例介绍
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | < Window x:Class = "NanQi.Test.TextBoxTest" WindowStartupLocation = "CenterScreen" Title = "TextBoxTest" Height = "300" Width = "300" > < Grid Margin = "5" > < Grid.RowDefinitions > < RowDefinition Height = "*" /> < RowDefinition Height = "Auto" /> </ Grid.RowDefinitions > < Grid.Resources > < Style TargetType = "Button" > < Setter Property = "Width" Value = "80" /> < Setter Property = "Height" Value = "23" /> </ Style > </ Grid.Resources > < Grid > < Grid.RowDefinitions > < RowDefinition Height = "10" /> < RowDefinition Height = "23" /> < RowDefinition Height = "10" /> < RowDefinition Height = "23" /> < RowDefinition Height = "10" /> < RowDefinition Height = "23" /> < RowDefinition Height = "10" /> < RowDefinition Height = "23" /> < RowDefinition Height = "10" /> < RowDefinition Height = "23" /> < RowDefinition Height = "10" /> < RowDefinition Height = "23" /> < RowDefinition Height = "10" /> </ Grid.RowDefinitions > < Grid.ColumnDefinitions > < ColumnDefinition Width = "382*" /> < ColumnDefinition Width = "618*" /> </ Grid.ColumnDefinitions > < Grid.Resources > < Style TargetType = "TextBox" > < Setter Property = "Width" Value = "120" /> < Setter Property = "Height" Value = "23" /> < Setter Property = "Margin" Value = "5,0,0,0" /> < Setter Property = "HorizontalAlignment" Value = "Left" /> < Setter Property = "VerticalAlignment" Value = "Center" /> </ Style > < Style TargetType = "TextBlock" > < Setter Property = "Margin" Value = "0,0,5,0" /> < Setter Property = "HorizontalAlignment" Value = "Right" /> < Setter Property = "VerticalAlignment" Value = "Center" /> </ Style > </ Grid.Resources > < TextBlock Text = "Placeholder1" Grid.Row = "1" /> < TextBox Grid.Column = "1" Grid.Row = "1" nanqi:TextBoxHelper.Placeholder1 = "请输入筛选条件..." /> < TextBlock Text = "Placeholder1Bug" Grid.Row = "3" /> < TextBox x:Name = "placeholder1BugTextBox" Grid.Column = "1" Grid.Row = "3" FontStyle = "Italic" Foreground = "Red" nanqi:TextBoxHelper.Placeholder1 = "请输入筛选条件..." /> < Button x:Name = "placeholder1BugButton" Grid.Column = "1" Grid.Row = "3" Content = "Bug" Width = "40" HorizontalAlignment = "Right" Click = "placeholder1BugButton_Click" /> < TextBlock Text = "Placeholder2" Grid.Row = "5" /> < TextBox Grid.Column = "1" Grid.Row = "5" nanqi:TextBoxHelper.Placeholder2 = "请输入筛选条件..." /> < TextBlock Text = "Placeholder2Bug" Grid.Row = "7" /> < TextBox x:Name = "placeholder2BugTextBox" Grid.Column = "1" Grid.Row = "7" nanqi:TextBoxHelper.Placeholder2 = "请输入筛选条件..." /> < Button x:Name = "placeholder2BugButton" Grid.Column = "1" Grid.Row = "7" Content = "Bug" Width = "40" HorizontalAlignment = "Right" Click = "placeholder2BugButton_Click" /> < TextBlock Text = "Placeholder3" Grid.Row = "9" /> < TextBox Grid.Column = "1" Grid.Row = "9" nanqi:TextBoxHelper.Placeholder3 = "请输入筛选条件..." /> < TextBlock Text = "Placeholder3Test" Grid.Row = "11" /> < TextBox x:Name = "placeholder3TestTextBox" Grid.Column = "1" Grid.Row = "11" nanqi:TextBoxHelper.Placeholder3 = "请输入筛选条件..." /> < Button x:Name = "placeholder3TestButton" Grid.Column = "1" Grid.Row = "11" Content = "Test" Width = "40" HorizontalAlignment = "Right" Click = "placeholder3TestButton_Click" /> </ Grid > < StackPanel Orientation = "Horizontal" HorizontalAlignment = "Right" Grid.Row = "1" > < Button Content = "_Close" x:Name = "btnClose" Click = "btnClose_Click" /> </ StackPanel > </ Grid > </ Window > |
标签: wpf placeholder textbox
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